Home / 27,821.16-41,702.58-10,279.80

Finding the Fourth Proportional to 27,821.16, 41,702.58 and 10,279.80

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Solution

The fourth proportional to 27,821.16, 41,702.58 and 10,279.80 is: 15,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.16 : 41,702.58 = 10,279.80 : x
  2. Step 2: Convert to fraction form
    27,821.16/41,702.58 = 10,279.80/x
  3. Step 3: Cross multiply
    27,821.16x = 41,702.58 × 10,279.80
  4. Step 4: Simplify right side
    27,821.16x = 428,694,181.88
  5. Step 5: Solve for x
    x = 428,694,181.88/27,821.16
  6. Step 6: Final answer
    x = 15,408.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.